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Allen-Bradley 20G1ALC567AN0NNNNN PowerFlex 755 AC Drive
1. Product Introduction
The Allen-Bradley 20G1ALC567AN0NNNNN is a high-power PowerFlex 755 AC Drive designed for large industrial motor-control applications.
It is an air-cooled, three-phase AC variable-frequency drive intended for a 400 VAC electrical system and a 567 A current class.
The drive provides three principal operating ratings:
- 355 kW Light Duty
- 315 kW Normal Duty
- 250 kW Heavy Duty
This combination gives the drive a useful operating range across variable-torque, general industrial, and more demanding motor applications.
The product uses a Frame 8 construction and is configured as an IP20 / NEMA Type 1, 800 mm deep MCC-style drive.
The drive includes embedded EtherNet/IP, allowing it to be integrated into industrial automation systems.
The catalog configuration uses AC input with precharge, has no DC terminals, uses a filtered input configuration, specifies the CM jumper removed, provides no dynamic braking, and is supplied in a blank/no-HIM configuration.
This particular model is therefore best suited to installations where the drive is controlled and monitored through the plant automation system or where a local HIM is not required as part of the basic catalog configuration.
2. Brand and Product Family
| Category | Specification |
|---|---|
| Brand | Allen-Bradley |
| Product Family | PowerFlex |
| Product Series | PowerFlex 750-Series |
| Specific Drive Series | PowerFlex 755 |
| Product Type | Air-Cooled AC Drive |
| Catalog Number | 20G1ALC567AN0NNNNN |
| Input Voltage | 400 VAC |
| Input Phase | 3 Phase |
| Current Class | 567 A |
| Frame | Frame 8 |
| Cooling | Forced Air |
| Main Enclosure | IP20 / NEMA Type 1 |
| Cabinet Style | 800 mm Deep MCC Style |
| Communication | Embedded EtherNet/IP |
| HIM | Blank / No HIM |
| Input Configuration | AC Input with Precharge |
| DC Terminals | None |
| Filtering | Filtered |
| CM Jumper | Removed |
| Dynamic Braking | None |
The PowerFlex 755 series is designed for high-performance industrial motor control where high motor power, flexible control, networking, diagnostics, and application-specific configuration are required.
3. Detailed Main Parameters
| Parameter | Specification |
|---|---|
| Model / Catalog Number | 20G1ALC567AN0NNNNN |
| Brand | Allen-Bradley |
| Product Family | PowerFlex |
| Product Series | PowerFlex 755 |
| Drive Type | Air-Cooled AC Drive |
| Input Voltage | 400 VAC |
| Input Phase | 3 Phase |
| Current Rating | 567 A |
| Light Duty Rating | 355 kW |
| Normal Duty Rating | 315 kW |
| Heavy Duty Rating | 250 kW |
| Frame Size | Frame 8 |
| Cooling Method | Forced Air |
| Main Enclosure | IP20 / NEMA Type 1 |
| Cabinet Style | 800 mm Deep MCC Style |
| Input Type | AC Input with Precharge |
| DC Terminals | None |
| Input Filtering | Filtered |
| CM Jumper | Removed |
| Dynamic Braking | None |
| Communication | Embedded EtherNet/IP |
| Local HIM | None / Blank |
| Approx. Height | 2453 mm |
| Approx. Width | 600 mm |
| Approx. Depth | 800 mm |
| Approx. Weight | 623 kg |
| Installation Type | Floor-Mounted Industrial MCC Style |
| Primary Application | Large Industrial Motor Control |
The dimensions and weight shown above are approximate Frame 8 reference values intended for preliminary engineering consideration.
For final cabinet layout, shipping, lifting, foundation, and installation work, the project-specific mechanical drawing should always take priority.
4. Electrical Rating
The 20G1ALC567AN0NNNNN is designed for a 400 VAC, three-phase power system.
Its current class is 567 A.
The main duty ratings are:
| Duty Classification | Power Rating |
|---|---|
| Light Duty | 355 kW |
| Normal Duty | 315 kW |
| Heavy Duty | 250 kW |
This is a substantial industrial drive intended for large motor systems.
The three different ratings allow the same drive platform to serve different types of mechanical loads.
5. 355 kW Light Duty Rating
The 355 kW Light Duty rating is one of the most notable characteristics of this model.
It provides more Light Duty power capacity than the closely related 460 A and 540 A versions.
This makes the drive particularly attractive for large variable-torque loads.
Typical examples include:
- Large centrifugal pumps
- Large cooling-water pumps
- Industrial fans
- Large ventilation systems
- Cooling tower fans
- Process blowers
- Large air-handling systems
For variable-torque applications, the motor power requirement can increase significantly as equipment size increases.
The 355 kW Light Duty rating therefore provides a useful margin for large fan and pump installations.
6. 315 kW Normal Duty Rating
The drive provides a 315 kW Normal Duty rating.
This makes it suitable for a broad range of general industrial motor applications.
Typical examples include:
- Process pumps
- Large blowers
- Conveyors
- Industrial fans
- Material-handling systems
- Process machinery
- Factory utility equipment
- Large rotating machinery
The final drive selection should be based on actual motor nameplate current and mechanical load characteristics.
7. 250 kW Heavy Duty Rating
The Heavy Duty rating is 250 kW.
Heavy Duty operation should be considered for applications with more demanding torque and overload requirements.
Typical examples include:
- Heavy conveyors
- Mining conveyors
- Cement equipment
- Material-handling systems
- High-inertia machines
- Certain mixers
- Heavy process machinery
The Heavy Duty rating should be selected according to the actual motor current, torque requirements, overload profile, acceleration requirements, and duty cycle.
8. Product Configuration
The 20G1ALC567AN0NNNNN can be summarized as follows:
PowerFlex 755 AC Drive
Embedded EtherNet/IP
Air Cooled
AC Input with Precharge
No DC Terminals
Type 1 / IP20
800 mm Deep MCC Style
567 A
355 kW LD
315 kW ND
250 kW HD
400 VAC, 3 Phase
Frame 8
Filtered
CM Jumper Removed
No Dynamic Braking
Blank / No HIM
This is a high-power configuration intended for large industrial motor systems.
9. Embedded EtherNet/IP
One of the important features of the drive is its embedded EtherNet/IP capability.
This allows the PowerFlex 755 to be integrated into a compatible industrial Ethernet control architecture.
A typical control arrangement can be represented as:
PLC / Automation Controller
↓
EtherNet/IP Network
↓
PowerFlex 755
↓
Large Industrial Motor
↓
Pump / Fan / Blower / Conveyor / Process Equipment
This architecture allows drive operating data to be exchanged with the main automation system.
10. Remote Control and Monitoring
Because this catalog configuration is supplied without a HIM, it is particularly suitable for applications where the plant automation system is the primary operator interface.
Typical information available through the control architecture may include:
- Start command
- Stop command
- Speed reference
- Output frequency
- Motor current
- Drive status
- Fault status
- Alarm information
- Diagnostic information
- Operating values
This makes the drive suitable for centralized process-control systems.
11. No HIM Configuration
The catalog configuration specifies:
Blank / No HIM
This means there is no standard local operator interface included as part of the specified catalog configuration.
This can be an advantage when the project uses:
- Centralized PLC control
- SCADA control
- HMI panels
- Remote engineering workstations
- Plant-wide control networks
It can also reduce unnecessary local hardware where operators do not need to interact directly with the drive cabinet.
12. No-HIM Advantage
For a large industrial installation, not every drive requires a permanent local operator interface.
A centralized architecture may use:
Control Room HMI
↓
PLC
↓
EtherNet/IP
↓
PowerFlex 755
This arrangement allows the drive to remain dedicated to motor control while the operator interacts with the plant’s centralized automation system.
For large plants containing many drives, this can provide a consistent operating philosophy.
13. AC Input with Precharge
The drive uses an AC Input with Precharge configuration.
Precharge is associated with controlled energization of the drive’s internal DC-link system.
Because the drive operates at a 567 A current class, the upstream power system must be designed carefully.
Important considerations include:
- Input disconnect
- Short-circuit protection
- Transformer capacity
- Power cables
- Grounding
- Power quality
- Harmonics
- EMC
- Maintenance isolation
14. No DC Terminals
The specified configuration has no DC terminals.
This means it is not primarily configured for external common-DC-bus connections.
This distinction matters in applications involving:
- Common DC buses
- Shared DC-link systems
- Regenerative systems
- Energy recovery
- Multi-drive DC architectures
If a project requires an external DC bus, a different configuration should be evaluated.
15. Filtered Input
The drive is configured with filtered input.
The filtering arrangement contributes to the overall electrical and electromagnetic compatibility design.
It is especially relevant in industrial environments containing:
- PLC systems
- Industrial Ethernet
- Instrumentation
- Sensors
- Multiple VFDs
- Control electronics
- Communication equipment
The filtering arrangement should be considered together with the grounding and cable installation.
16. CM Jumper Removed
A significant characteristic of this catalog number is:
CM Jumper Removed
This is important because it differentiates the AN0 configuration from several later or alternative configurations where the CM jumper is installed.
The common-mode capacitor arrangement should be considered as part of the overall electrical system design.
The engineer should review:
- Transformer grounding
- Distribution-system grounding
- Motor grounding
- Cable shielding
- EMC requirements
- Input filtering
- Drive replacement conditions
This is particularly important when installing the drive into an existing electrical system.
17. Why CM Jumper Configuration Matters
The common-mode configuration can influence the relationship between the drive, ground, and high-frequency electrical noise.
Therefore, the CM jumper arrangement should not be changed casually.
Before changing the factory configuration, the engineer should evaluate the entire electrical system.
This is especially important for:
- Ungrounded systems
- Impedance-grounded systems
- Existing installations
- Drive replacements
- Transformer modifications
- EMC-sensitive environments
18. Dynamic Braking
The catalog configuration specifies:
Dynamic Braking: None
This means the specified drive does not include dynamic-braking hardware in this catalog configuration.
For many variable-torque pump and fan applications, this is not necessarily a problem.
However, applications involving large rotating inertia should be evaluated carefully.
Examples include:
- Large centrifuges
- High-inertia fans
- Large conveyors
- High-speed rotating equipment
- Hoisting applications
- Rapid-cycle machines
The deceleration requirement should be reviewed before final selection.
19. Forced-Air Cooling
The 20G1ALC567AN0NNNNN is an air-cooled drive.
At a current rating of 567 A and a Light Duty power rating of 355 kW, thermal management is an important part of the installation.
The cooling system requires sufficient airflow.
The electrical room must also have sufficient heat-removal capacity.
The overall cooling design should account for:
- Drive heat generation
- Fan airflow
- Room HVAC
- Other electrical equipment
- Cabinet arrangement
- Ambient temperature
- Dust accumulation
20. Cooling Maintenance
Cooling performance has a direct relationship with drive reliability.
Maintenance personnel should periodically inspect:
- Cooling fans
- Air passages
- Ventilation openings
- Dust accumulation
- Fan noise
- Fan vibration
- Airflow
- Cabinet temperature
A high-power drive should not be operated with severely restricted airflow.
21. IP20 / NEMA Type 1 Enclosure
The main drive is specified as IP20 / NEMA Type 1.
This means the drive should be installed in a protected industrial environment.
The drive should not be directly exposed to:
- Rain
- Water spray
- Washdown
- Condensation
- Excessive dust
- Conductive contamination
- Corrosive chemicals
- Uncontrolled outdoor conditions
For harsh environments, an appropriate protected electrical room or enclosure arrangement should be used.
22. 800 mm Deep MCC-Style Construction
The drive uses an 800 mm deep MCC-style configuration.
This is a large floor-mounted industrial drive.
Installation planning should consider:
- Cabinet depth
- Door clearance
- Power-cable entry
- Cable bending radius
- Control wiring
- Network wiring
- Ventilation
- Maintenance access
- Transportation
- Lifting
The drive requires considerably more installation planning than a small wall-mounted variable-frequency drive.
23. Frame 8 Construction
The drive uses Frame 8 construction.
Frame 8 is intended for high-current industrial drive applications.
For preliminary planning, the following approximate values can be used:
| Mechanical Parameter | Approximate Value |
|---|---|
| Frame | 8 |
| Height | 2453 mm |
| Width | 600 mm |
| Depth | 800 mm |
| Approx. Weight | 623 kg |
| Enclosure | IP20 / NEMA Type 1 |
| Cabinet Style | 800 mm Deep MCC Style |
| Cooling | Forced Air |
These values should be treated as preliminary reference information.
Final equipment drawings should be used for actual installation and construction.
24. Dimensions
The approximate Frame 8 envelope is:
Height: 2453 mm
Width: 600 mm
Depth: 800 mm
This makes the drive a large industrial electrical assembly.
Adequate clearance should be provided for:
- Front access
- Maintenance
- Cable entry
- Ventilation
- Lifting
- Inspection
- Replacement
25. Weight
The approximate Frame 8 reference weight is:
623 kg
This is a substantial equipment weight.
Transportation and installation should therefore be planned before equipment delivery.
The project should verify:
- Floor loading
- Forklift capacity
- Crane capacity
- Lifting points
- Loading dock capacity
- Transportation route
- Door width
- Installation space
The actual shipping weight can be higher than the basic equipment reference because of packaging and additional cabinet components.
26. Main Product Advantages
The major advantages of the 20G1ALC567AN0NNNNN include:
- 567 A high-current capability
- 355 kW Light Duty rating
- 315 kW Normal Duty rating
- 250 kW Heavy Duty rating
- 400 VAC three-phase operation
- PowerFlex 755 high-power architecture
- Embedded EtherNet/IP
- Forced-air cooling
- Filtered input
- AC input with precharge
- No DC terminals
- Frame 8 construction
- 800 mm MCC-style configuration
- IP20 / NEMA Type 1 enclosure
- No-HIM configuration for centralized control
- Flexible industrial applications
27. Advantage – 355 kW Light Duty
The 355 kW Light Duty rating is a major advantage.
Compared with the 540 A version, this model provides additional Light Duty capacity.
This makes it attractive for large variable-torque equipment.
Potential applications include:
- Large pumps
- Large fans
- Cooling towers
- Large blowers
- Ventilation systems
- Process-air systems
For a properly selected variable-torque load, this additional Light Duty capacity can provide useful flexibility.
28. Advantage – 567 A Current Rating
The 567 A current rating provides substantial motor-control capacity.
This makes the drive suitable for large motors where lower-current Frame 8 models may not provide sufficient capacity.
Typical applications include:
- Large pumps
- Large fans
- Blowers
- Conveyors
- Process equipment
- Material handling
- Industrial utilities
The motor nameplate current must always be checked before final selection.
29. Advantage – Embedded EtherNet/IP
Embedded EtherNet/IP simplifies integration into a compatible industrial network.
It can support centralized control and monitoring without requiring the drive to rely exclusively on a local operator interface.
This is useful in plants where many drives are managed from:
- A central control room
- PLC systems
- SCADA systems
- HMI stations
- Industrial automation networks
30. Advantage – No-HIM Configuration
A no-HIM configuration can be advantageous when the plant already has centralized operator interfaces.
For example:
Plant HMI
↓
PLC
↓
EtherNet/IP
↓
PowerFlex 755
The operator does not need to work directly at the drive for normal production control.
This can be particularly useful for large facilities with standardized centralized automation.
31. Advantage – Frame 8 Industrial Construction
Frame 8 provides the physical platform needed for large motor-control systems.
It is suitable for applications where:
- Motor power is high
- Motor current is high
- Industrial networking is required
- Continuous operation is expected
- Process control is centralized
- Floor-mounted electrical equipment is acceptable
32. Pump Applications
The 20G1ALC567AN0NNNNN is well suited to large pump applications.
Potential uses include:
- Raw-water pumps
- Process pumps
- Cooling-water pumps
- Transfer pumps
- Booster pumps
- Circulation pumps
- Water-treatment pumps
- Wastewater pumps
- Industrial utility pumps
The 355 kW Light Duty rating can be particularly attractive for large variable-torque pump systems.
33. Large Fan Applications
Large fans are another major application area.
Potential uses include:
- Furnace fans
- Boiler fans
- Exhaust fans
- Cooling fans
- Process ventilation
- Industrial ventilation
- Dust-collection systems
- Large HVAC systems
Variable-speed control can allow fan output to follow process demand.
34. Blower Applications
Large blowers can require hundreds of kilowatts.
The drive can be considered for:
- Aeration blowers
- Process-air blowers
- Combustion-air systems
- Industrial ventilation
- Large air-handling systems
The 355 kW Light Duty rating can be useful for large variable-torque blower applications.
35. Conveyor Applications
The drive can be used for large conveyors when the motor and mechanical load are compatible with its duty ratings.
Potential applications include:
- Mining conveyors
- Cement conveyors
- Aggregate conveyors
- Bulk-material handling
- Port conveyors
- Factory material-handling systems
Important engineering considerations include:
- Starting torque
- Loaded startup
- Belt inertia
- Acceleration time
- Deceleration
- Braking
- Regenerative energy
36. Mining Applications
Mining operations frequently use high-power motors.
The drive may be considered for:
- Conveyors
- Dewatering pumps
- Ventilation fans
- Material-handling systems
- Process equipment
Because the main enclosure is IP20, the drive should normally be installed in a protected electrical room.
37. Cement Industry Applications
Cement plants contain many large motor-driven machines.
Potential applications include:
- Process fans
- Exhaust fans
- Large conveyors
- Blowers
- Pumps
- Cooling systems
- Material handling
The high Light Duty rating makes the 567 A configuration useful for large variable-torque equipment.
38. Water Treatment Applications
Large water-treatment plants often use substantial pump motors.
Potential applications include:
- Intake pumps
- Transfer pumps
- Booster pumps
- Circulation pumps
- Process pumps
- Aeration blowers
The embedded EtherNet/IP capability makes centralized monitoring practical.
39. Wastewater Applications
Wastewater facilities may require large motors for:
- Lift pumps
- Transfer pumps
- Aeration blowers
- Process pumps
- Sludge systems
- Circulation equipment
A centralized PLC can control the drive while collecting drive status and diagnostic information.
40. Factory Utility Applications
The drive can be used for large factory utility equipment.
Potential applications include:
- Cooling-water pumps
- Cooling towers
- Large ventilation fans
- Exhaust systems
- Utility pumps
- Process-air blowers
These systems often benefit from centralized automation.
41. Process Industry Applications
The drive is suitable for large process equipment where variable-speed operation is required.
Potential applications include:
- Large pumps
- Fans
- Blowers
- Mixers
- Conveyors
- Material-handling systems
- Rotating process machinery
The actual load torque profile must be evaluated before selecting LD, ND, or HD operation.
42. Motor Selection
Motor selection should be based on actual motor nameplate information.
| Motor Parameter | Engineering Requirement |
|---|---|
| Motor Voltage | Must be compatible with the drive system |
| Motor Phase | 3 Phase |
| Motor Current | Must be within applicable drive rating |
| Motor Power | Compare with LD / ND / HD |
| Motor Frequency | Verify operating frequency |
| Motor Speed | Verify required speed range |
| Motor Torque | Check load torque |
| Starting Torque | Evaluate starting requirement |
| Acceleration | Verify acceleration time |
| Deceleration | Evaluate braking requirement |
| Duty Cycle | Verify continuous and overload conditions |
| Environment | Verify temperature and contamination |
| Installation | Confirm protected IP20 environment |
Motor kW alone should not be used to determine the correct drive.
43. Motor Current Is Critical
A motor’s nominal kW rating does not tell the entire story.
Final drive selection should consider:
- Motor current
- Motor voltage
- Motor power factor
- Motor efficiency
- Starting torque
- Load torque
- Service factor
- Operating speed
- Duty cycle
- Ambient conditions
The motor nameplate current should be compared directly with the appropriate drive rating.
44. Cooling and Electrical Room Design
A 567 A Frame 8 drive can produce a substantial amount of heat.
The electrical room should therefore have sufficient heat-removal capacity.
The design should consider:
- Drive losses
- Fan airflow
- HVAC capacity
- Other electrical equipment
- Room temperature
- Cabinet arrangement
- Air circulation
- Dust accumulation
Several large drives in one room can create a significant thermal load.
45. Electrical Installation
Installation should be carried out by qualified electrical personnel.
Important design areas include:
- Input disconnect
- Overcurrent protection
- Short-circuit protection
- Power cables
- Grounding
- Motor cables
- Control wiring
- Network wiring
- EMC
- Maintenance isolation
At 567 A, cable selection and upstream electrical protection are particularly important.
46. Grounding
Proper grounding is essential for high-power variable-frequency drive installations.
The system should provide suitable grounding for:
- Drive chassis
- Cabinet
- Motor
- Motor cable
- Control equipment
- Network equipment
The CM jumper removed configuration should be evaluated as part of the overall grounding strategy.
47. EMC Considerations
The drive uses a filtered configuration.
However, good EMC performance also depends on installation quality.
Important considerations include:
- Proper grounding
- Cabinet bonding
- Motor-cable shielding
- Correct cable routing
- Separation of power and control cables
- Proper network installation
- Appropriate termination
The filter is only one part of the overall EMC solution.
48. Braking Considerations
The catalog configuration has no dynamic braking.
This is often acceptable for:
- Centrifugal pumps
- Large fans
- Variable-torque blowers
However, applications involving high inertia may require additional evaluation.
The engineer should calculate:
- Motor inertia
- Load inertia
- Speed
- Deceleration time
- Number of stops
- Regenerative energy
49. Maintenance Strategy
A preventive-maintenance program should include:
Cooling System
Inspect fans and airflow.
Electrical System
Inspect connections and grounding.
Cabinet
Inspect cabinet cleanliness and mechanical condition.
Motor Cabling
Inspect cables and termination.
Network
Inspect EtherNet/IP connections.
Drive Diagnostics
Review fault and alarm history.
Environment
Check temperature, dust, moisture, and ventilation.
50. Parameter Backup
Because this configuration has no HIM, parameter management through the plant automation or engineering system becomes particularly important.
A complete backup should ideally include:
- Motor parameters
- Drive parameters
- Control configuration
- Network settings
- Application settings
- Safety-related configuration where applicable
- Communication configuration
Maintaining a reliable parameter backup can significantly simplify replacement or recovery.
51. Five Closely Related PowerFlex 755 Models
The following models are closely related to the 20G1ALC567AN0NNNNN.
| Model | Voltage | Current | LD | ND | HD | Frame | HIM / Configuration | Approx. Dimensions | Approx. Weight |
|---|---|---|---|---|---|---|---|---|---|
| 20G1ALC540AN0NNNNN | 400 VAC | 540 A | 315 kW | 315 kW | 250 kW | 8 | No HIM | 2453 × 600 × 800 mm reference | 623 kg reference |
| 20G1ALC567JN0NNNNN | 400 VAC | 567 A | 355 kW | 315 kW | 250 kW | 8 | No HIM | 2453 × 600 × 800 mm reference | 623 kg reference |
| 20G1ALC567JN2NNNNN | 400 VAC | 567 A | 355 kW | 315 kW | 250 kW | 8 | Handheld / Local HIM | Frame 8 reference | 623 kg reference |
| 20G1ALC567JN4NNNNN | 400 VAC | 567 A | 355 kW | 315 kW | 250 kW | 8 | Enhanced LCD / Full Numeric HIM | Frame 8 reference | 623 kg reference |
| 20G1ALC650AN0NNNNN | 400 VAC | 650 A | 400 kW | 355 kW | 315 kW | 8 | No HIM | Frame 8 reference | 623 kg reference |
These models provide a useful range around the 567 A configuration.
52. 20G1ALC540AN0NNNNN
The 20G1ALC540AN0NNNNN is a closely related 540 A version.
Its approximate ratings are:
- 400 VAC
- 540 A
- 315 kW LD
- 315 kW ND
- 250 kW HD
- Frame 8
- IP20
- 800 mm MCC style
- No HIM
It is appropriate when the 567 A current class is not required.
53. 20G1ALC567JN0NNNNN
The 20G1ALC567JN0NNNNN is a closely related current configuration with the same major power ratings:
- 400 VAC
- 567 A
- 355 kW LD
- 315 kW ND
- 250 kW HD
- Frame 8
- IP20
The important configuration difference is the CM jumper arrangement.
The JN0 version specifies the CM jumper as installed, while the AN0 version specifies it as removed.
This makes the distinction important when considering replacement or retrofit work.
54. 20G1ALC567JN2NNNNN
The 20G1ALC567JN2NNNNN retains the same basic 567 A electrical platform.
Its principal ratings are:
- 400 VAC
- 567 A
- 355 kW LD
- 315 kW ND
- 250 kW HD
- Frame 8
It adds a Handheld / Local HIM configuration.
This is a useful choice when local commissioning and maintenance access are required.
55. 20G1ALC567JN4NNNNN
The 20G1ALC567JN4NNNNN is another close alternative.
It provides:
- 400 VAC
- 567 A
- 355 kW LD
- 315 kW ND
- 250 kW HD
- Frame 8
Its major distinction is the Enhanced LCD / Full Numeric Door-Mounted HIM.
This configuration is useful when permanent local operator access is desired.
56. 20G1ALC650AN0NNNNN
The 20G1ALC650AN0NNNNN increases the current class to approximately 650 A.
Its approximate ratings are:
- 400 VAC
- 650 A
- 400 kW LD
- 355 kW ND
- 315 kW HD
- Frame 8
It is a logical option when the 567 A model does not provide sufficient capacity.
57. Related Model Comparison
| Model | Current | LD | ND | HD | Main Difference |
|---|---|---|---|---|---|
| 20G1ALC540AN0NNNNN | 540 A | 315 kW | 315 kW | 250 kW | Lower current |
| 20G1ALC567AN0NNNNN | 567 A | 355 kW | 315 kW | 250 kW | Target model / CM jumper removed |
| 20G1ALC567JN0NNNNN | 567 A | 355 kW | 315 kW | 250 kW | CM jumper installed |
| 20G1ALC567JN2NNNNN | 567 A | 355 kW | 315 kW | 250 kW | Handheld / Local HIM |
| 20G1ALC567JN4NNNNN | 567 A | 355 kW | 315 kW | 250 kW | Enhanced LCD Door-Mounted HIM |
| 20G1ALC650AN0NNNNN | 650 A | 400 kW | 355 kW | 315 kW | Higher current and power |
58. Five Popular Allen-Bradley Models for Comparison
The following models provide a broader comparison across different PowerFlex families and power ranges.
| Model | Series | Voltage | Current / Rating | Power Rating | Frame | Enclosure | Approx. Dimensions | Approx. Weight |
|---|---|---|---|---|---|---|---|---|
| 25B-D030N114 | PowerFlex 525 | 380–480 VAC | 30 A | Approx. 15 kW ND / 11 kW HD | D | IP20 | Compact Frame D | Approx. 4.76 kg |
| 25C-D030N114 | PowerFlex 527 | 380–480 VAC | 30 A | Approx. 15 kW ND / 11 kW HD | D | IP20 | 260 × 130 × 212 mm | Configuration dependent |
| 20F1AND302JA0NNNNN | PowerFlex 753 | 480 VAC | 302 A | 250 HP ND / 200 HP HD | 7 | IP20/IP00 | Frame 7 | Configuration dependent |
| 20G1AJE460JN4NNNNN | PowerFlex 755 | 600 VAC | 460 A | 500 HP LD / 500 HP ND / 400 HP HD | 8 | IP54 / Type 12 | Frame 8 | Configuration dependent |
| 20G1AJF415JN4NNNNN | PowerFlex 755 | 690 VAC | 415 A | 450 kW LD / 400 kW ND / 355 kW HD | 8 | IP54 / Type 12 | Frame 8 | Configuration dependent |
59. PowerFlex 525 Comparison
The 25B-D030N114 is a much smaller PowerFlex 525 drive.
Its approximate characteristics include:
- 380–480 VAC
- 30 A
- Approximately 15 kW Normal Duty
- Approximately 11 kW Heavy Duty
- Frame D
- IP20
- Embedded EtherNet/IP
- Compact construction
- Approximately 4.76 kg
It is suitable for smaller industrial machines.
The 20G1ALC567AN0NNNNN is designed for a completely different power class.
60. PowerFlex 527 Comparison
The 25C-D030N114 is another compact drive.
Its approximate characteristics include:
- 380–480 VAC
- 30 A
- Approximately 15 kW Normal Duty
- Approximately 11 kW Heavy Duty
- Frame D
- IP20
- Approximately 260 × 130 × 212 mm
It is more suitable for machine-level automation.
61. PowerFlex 753 Comparison
The 20F1AND302JA0NNNNN belongs to the PowerFlex 753 family.
Its approximate characteristics include:
- 480 VAC
- 302 A
- 250 HP Normal Duty
- 200 HP Heavy Duty
- Frame 7
- IP20/IP00
- Forced-air cooling
- Industrial high-power architecture
It is useful where a large industrial drive is required but the specific 400 VAC / 567 A configuration is not necessary.
62. 600 VAC PowerFlex 755 Comparison
The 20G1AJE460JN4NNNNN is a high-power PowerFlex 755 configuration for a 600 VAC-class system.
Its approximate characteristics include:
- 600 VAC
- 460 A
- 500 HP LD
- 500 HP ND
- 400 HP HD
- Frame 8
- Type 12 / IP54
- Door-mounted HIM
It is suitable for large industrial motors operating on higher-voltage systems.
63. 690 VAC PowerFlex 755 Comparison
The 20G1AJF415JN4NNNNN is a PowerFlex 755 configuration for a 690 VAC-class system.
Its approximate characteristics include:
- 690 VAC
- 415 A
- 450 kW LD
- 400 kW ND
- 355 kW HD
- Frame 8
- Type 12 / IP54
- Door-mounted HIM
It is a useful comparison for high-power industrial systems operating at 690 VAC.
64. AN0 vs JN0 Configuration
The AN0 and JN0 configurations require particular attention.
| Feature | 20G1ALC567AN0NNNNN | 20G1ALC567JN0NNNNN |
|---|---|---|
| Voltage | 400 VAC | 400 VAC |
| Current | 567 A | 567 A |
| LD | 355 kW | 355 kW |
| ND | 315 kW | 315 kW |
| HD | 250 kW | 250 kW |
| Frame | 8 | 8 |
| Main Enclosure | IP20 | IP20 |
| Cabinet Depth | 800 mm | 800 mm |
| Cooling | Forced Air | Forced Air |
| EtherNet/IP | Embedded | Embedded |
| Filtering | Filtered | Filtered |
| CM Jumper | Removed | Installed |
| Dynamic Braking | None | None |
| HIM | No HIM | No HIM |
| Main Difference | Original CM configuration | Updated CM configuration |
This distinction is important when selecting a replacement for an existing installation.
The drive ratings may appear nearly identical, but the CM jumper configuration should be reviewed before treating one catalog number as a direct substitute for another.
65. Why the 567 A Model Is Attractive
The 567 A model occupies a useful position in the PowerFlex 755 Frame 8 range.
It provides:
355 kW Light Duty
while maintaining:
315 kW Normal Duty
and:
250 kW Heavy Duty
This makes it particularly useful for large variable-torque applications where the Light Duty rating is more important than the Normal Duty rating.
66. Large Pump Selection
For a large centrifugal pump, the 355 kW Light Duty rating can be particularly attractive.
The drive can provide:
- Adjustable pump speed
- Controlled acceleration
- Controlled stopping
- Centralized control
- Process monitoring
- Network diagnostics
Potential applications include:
- Water supply
- Cooling water
- Industrial process water
- Wastewater
- Utility pumping
67. Large Fan Selection
For a large variable-torque fan, the 355 kW Light Duty rating can provide useful capacity.
Potential applications include:
- Furnace exhaust
- Boiler ventilation
- Mining ventilation
- Dust collection
- Cooling
- Industrial ventilation
Variable-speed operation can help match airflow to process requirements.
68. Large Blower Selection
The drive can be used with large blowers where the motor falls within the applicable rating.
Potential applications include:
- Wastewater aeration
- Process air
- Combustion air
- Industrial ventilation
- Air-handling systems
The actual blower torque curve should be evaluated before selecting the drive.
69. Conveyor Selection
For conveyors, Normal Duty or Heavy Duty operation may be more appropriate than Light Duty.
Important considerations include:
- Loaded starting
- Static friction
- Belt inertia
- Acceleration time
- Motor torque
- Deceleration
- Mechanical brake
- Regeneration
The 250 kW Heavy Duty rating provides a useful range for demanding conveyor applications, subject to the actual motor current and load profile.
70. Mining Equipment
Mining applications can include:
- Conveyors
- Pumps
- Fans
- Blowers
- Material handling
- Process machinery
The drive should be installed in a protected electrical environment because the main enclosure is IP20.
71. Cement Equipment
Cement plants often contain:
- Large fans
- Large conveyors
- Blowers
- Pumps
- Cooling systems
- Material-handling equipment
The 567 A PowerFlex 755 is suitable for many of these high-power motor applications.
72. Water and Wastewater
Water and wastewater facilities can use the drive for:
- Large pumps
- Aeration blowers
- Transfer systems
- Booster stations
- Circulation systems
The embedded network interface allows the drive to be integrated into centralized plant automation.
73. Process Manufacturing
The drive can be applied to large process machinery such as:
- Pumps
- Fans
- Blowers
- Conveyors
- Mixers
- Rotating process equipment
The actual application should be evaluated based on motor current, torque, overload, and duty cycle.
74. Factory Utility Systems
Large factory utilities may use the drive for:
- Cooling-water systems
- Large ventilation
- Exhaust systems
- Process-air systems
- Utility pumping
- Cooling towers
Centralized network control is useful where multiple drives operate as part of one plant utility system.
75. Electrical Room Requirements
Because this is a large Frame 8 drive, the electrical room should provide:
- Adequate floor area
- Sufficient ventilation
- Heat removal
- Maintenance clearance
- Cable access
- Safe working space
- Suitable lifting access
The approximate physical envelope is:
2453 mm × 600 mm × 800 mm
and the approximate reference weight is:
623 kg.
76. Transportation Requirements
Transportation planning should begin before delivery.
The project should confirm:
- Vehicle access
- Loading dock capacity
- Forklift capacity
- Crane capacity
- Door clearance
- Floor loading
- Transport route
- Final installation position
Because the equipment is heavy, improper handling can create significant mechanical and safety risks.
77. Maintenance Considerations
The maintenance program should include:
Cooling
Inspect fans and airflow.
Electrical Connections
Inspect power and grounding connections.
Cabinet
Inspect cleanliness and mechanical condition.
Network
Inspect EtherNet/IP wiring.
Parameters
Maintain a current parameter backup.
Environment
Monitor temperature, humidity, dust, and ventilation.
Diagnostics
Review drive fault and alarm history.
78. No-HIM Maintenance Strategy
Because the catalog configuration has no HIM, the maintenance team should have an appropriate engineering or control-system method for accessing the drive.
A good plant strategy should include:
- Parameter backup
- Network configuration backup
- Drive identification records
- Motor data records
- Fault-history records
- Replacement procedures
For critical production equipment, this documentation can significantly reduce recovery time.
79. Product Selection Checklist
| Selection Item | Required Specification |
|---|---|
| Model | 20G1ALC567AN0NNNNN |
| Brand | Allen-Bradley |
| Series | PowerFlex 755 |
| Voltage | 400 VAC |
| Phase | 3 Phase |
| Current | 567 A |
| Light Duty | 355 kW |
| Normal Duty | 315 kW |
| Heavy Duty | 250 kW |
| Frame | 8 |
| Cooling | Forced Air |
| Main Enclosure | IP20 / NEMA Type 1 |
| Cabinet Depth | 800 mm |
| Cabinet Style | MCC Style |
| Input | AC with Precharge |
| DC Terminals | None |
| Filtering | Filtered |
| CM Jumper | Removed |
| Dynamic Braking | None |
| Communication | Embedded EtherNet/IP |
| HIM | None / Blank |
| Approx. Height | 2453 mm |
| Approx. Width | 600 mm |
| Approx. Depth | 800 mm |
| Approx. Weight | 623 kg |
80. Engineering Selection Guide
Choose the 20G1ALC567AN0NNNNN when the application requires:
- 400 VAC
- Three-phase operation
- Approximately 567 A current capacity
- 355 kW Light Duty
- 315 kW Normal Duty
- 250 kW Heavy Duty
- Frame 8
- IP20 installation
- 800 mm deep MCC-style construction
- Embedded EtherNet/IP
- Forced-air cooling
- Filtered input
- CM jumper removed
- No dynamic braking
- No local HIM
This configuration is particularly suitable for centralized industrial automation systems.
81. When the 567 A Model Is Better Than the 540 A Model
The main advantage is the higher Light Duty rating.
| Parameter | 20G1ALC540AN0NNNNN | 20G1ALC567AN0NNNNN |
|---|---|---|
| Current | 540 A | 567 A |
| Light Duty | 315 kW | 355 kW |
| Normal Duty | 315 kW | 315 kW |
| Heavy Duty | 250 kW | 250 kW |
| Frame | 8 | 8 |
| Main Enclosure | IP20 | IP20 |
| HIM | No HIM | No HIM |
For large variable-torque loads approaching the 315–355 kW range, the 567 A model provides additional Light Duty capacity.
82. When to Choose the JN0 Version
The 20G1ALC567JN0NNNNN may be preferred when the project requires the same general 567 A electrical class but uses the installed CM jumper configuration.
It also retains the no-HIM architecture.
This can be useful for centralized automation systems where the drive is managed from a control room.
83. When to Choose the JN2 Version
The 20G1ALC567JN2NNNNN is more suitable when local commissioning and maintenance access are important.
It provides a Handheld / Local HIM arrangement.
This can be useful when technicians need direct access to the drive during startup and troubleshooting.
84. When to Choose the JN4 Version
The 20G1ALC567JN4NNNNN is appropriate when a permanent door-mounted operator interface is preferred.
It provides an Enhanced LCD / Full Numeric HIM arrangement.
This can be particularly useful in plants where operators or maintenance personnel regularly work at the electrical cabinet.
85. Main Advantages Compared with Smaller Drives
The 20G1ALC567AN0NNNNN offers several advantages over smaller industrial drives:
Higher Motor Capacity
Suitable for motors in the hundreds-of-kilowatts range.
Higher Current
567 A current class.
Larger Frame
Frame 8 industrial construction.
Network Integration
Embedded EtherNet/IP.
Flexible Duty
355 kW LD, 315 kW ND, and 250 kW HD.
Industrial Application Range
Suitable for pumps, fans, blowers, conveyors, and process machinery.
86. Main Limitations Compared with Smaller Drives
The drive also has several practical disadvantages compared with compact VFDs:
Larger Physical Size
It requires substantial floor space.
Greater Weight
Approximately 623 kg reference weight.
Higher Installation Cost
Power distribution, cabling, ventilation, and handling require more planning.
IP20 Main Enclosure
A protected electrical environment is required.
No Standard HIM
Local operation requires a suitable external or engineering interface.
No Dynamic Braking
High-inertia applications may require additional braking analysis.
These factors should be considered during project planning.
87. Typical System Architecture
A representative industrial system could use:
Central Control Room
↓
PLC / Automation Controller
↓
Industrial EtherNet/IP Network
↓
20G1ALC567AN0NNNNN
↓
Large AC Motor
↓
Pump / Fan / Blower / Conveyor
The drive functions as the power-conversion and motor-control stage.
The plant automation system provides the primary operator interface.
88. Recommended Applications by Duty
| Application | Recommended Duty Consideration | Suitability |
|---|---|---|
| Large Centrifugal Pump | Light Duty | Excellent |
| Large Cooling Fan | Light Duty | Excellent |
| Large Process Fan | Light Duty | Excellent |
| Large Blower | Light Duty | Excellent |
| Water Pump | Light Duty / Normal Duty | Excellent |
| Wastewater Blower | Normal Duty | Very Good |
| Large Conveyor | Normal Duty / Heavy Duty | Very Good |
| Mining Conveyor | Heavy Duty | Application Dependent |
| Cement Conveyor | Heavy Duty | Application Dependent |
| Material Handling | Normal Duty / Heavy Duty | Very Good |
| Large Mixer | Heavy Duty | Application Dependent |
| High-Inertia Equipment | Heavy Duty | Requires Detailed Analysis |
| Hoisting | Heavy Duty | Requires Braking Analysis |
89. Overall Technical Summary
The Allen-Bradley 20G1ALC567AN0NNNNN is a high-power PowerFlex 755 air-cooled AC drive for large industrial motor-control applications.
Its primary electrical characteristics are:
400 VAC
3 Phase
567 A
355 kW Light Duty
315 kW Normal Duty
250 kW Heavy Duty
Its physical configuration is:
Frame 8
IP20 / NEMA Type 1
800 mm Deep MCC Style
Forced Air Cooling
Its communication configuration includes:
Embedded EtherNet/IP
Its power-input configuration includes:
AC Input with Precharge
No DC Terminals
Filtered Input
CM Jumper Removed
No Dynamic Braking
The catalog configuration is:
Blank / No HIM
The approximate Frame 8 reference dimensions are:
2453 mm H × 600 mm W × 800 mm D
The approximate reference weight is:
623 kg
90. Final Product Assessment
The 20G1ALC567AN0NNNNN is a high-capacity industrial AC drive intended for large motor applications where centralized automation and substantial variable-speed control capability are required.
Its most notable electrical characteristic is the combination of:
567 A current
with:
355 kW Light Duty
315 kW Normal Duty
and:
250 kW Heavy Duty.
This makes it particularly attractive for large variable-torque equipment.
For example, large centrifugal pumps, industrial fans, cooling systems, and blowers can make good use of the higher Light Duty capacity.
The drive is also appropriate for general industrial equipment within the 315 kW Normal Duty range.
For more demanding mechanical loads, the 250 kW Heavy Duty rating provides an additional application range, subject to detailed motor and load calculations.
The PowerFlex 755 Frame 8 construction provides a substantial industrial platform suitable for large process plants, utility systems, mining facilities, cement plants, water-treatment facilities, and large manufacturing operations.
The embedded EtherNet/IP capability makes the drive well suited to centralized control architectures.
The no-HIM configuration is particularly appropriate when the plant already uses centralized HMIs, PLCs, SCADA systems, or engineering workstations.
The filtered input configuration contributes to the overall electrical and EMC design.
The CM jumper removed configuration is an important catalog characteristic and should be considered carefully during installation and replacement planning.
The absence of dynamic braking means that high-inertia and rapid-deceleration applications should receive a specific braking evaluation.
The IP20 / NEMA Type 1 main enclosure means the drive should be installed in a protected industrial environment.
The approximate 2453 × 600 × 800 mm Frame 8 envelope and approximately 623 kg reference weight also mean that transportation, floor loading, lifting, ventilation, and maintenance access must be planned before installation.
Overall, the 20G1ALC567AN0NNNNN is best described as a high-power, 400 VAC, 567 A PowerFlex 755 Frame 8 AC drive with 355 kW Light Duty, 315 kW Normal Duty, 250 kW Heavy Duty, embedded EtherNet/IP, filtered input, CM jumper removed, no dynamic braking, and no HIM.
It is especially suitable for large pumps, fans, blowers, conveyors, water and wastewater systems, mining equipment, cement machinery, industrial utilities, and large process-control applications where centralized automation is preferred.